| 单词 | side key |
| 释义 | > as lemmasside key side key n. ΚΠ 1728 R. Morris Ess. Anc. Archit. 78 If the Key[stone] be double, the Side-Key is ⅓ of the Width. 1870 Ann. Rep. Commissioner Patents 1868 II. 95/1 in U.S. Congress. Serial Set (40th Congr., 3rd Sess.: House of Representatives Executive Doc. 52) X To grind the edges, the side key is removed. 1900 Sci. Amer. Suppl. 11 Aug. 20580/1 This rail was held in cast-iron chairs by side keys or wedges. < as lemmas |
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